Physiologist Dr. Ernest Lockhart takes the pulse of Charles Passel, a geologist, during a basal metabolism test. Richard Moulton stands by to assist. (...)

Original Toronto Star caption: Physiologist Dr. Ernest Lockhart takes the pulse of Charles Passel; a geologist; during a basal metabolism test. Richard Moulton stands by to assist. In 1939 a Pennsylvania professor suggested the Antarctic could be rid of its ice by covering it with a film of coal dust to absorb the sun's heat.